.m-main{
    width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
.m-header{
    width: 100%;
    height: 130px;
    background-color: yellow;
}
.m-menu{
    width: 100%;
    height: 50px;
    background: #3778bc;
    display: flex;
}
.m-menu-item{
    width: 108px;
    height: 50px;
    background: #3778bc;
    border-right: 1px solid #3a73af;
}
.m-menu-item .m-title{
    height: 50px;
    text-align:center;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ffffff;
    font-size: 15px;
}
.m-submenu>.m-menu-item{
    width: 175px;
    background: #4470ab;
}
.m-submenu>.m-menu-item .m-title{
    font-size: 14px;
}
.m-submenu{
    display: none;
}
.m-menu-item:hover{
    background: #316ca9;
}
.m-menu-item:hover >.m-submenu{
    display: block;
}
.m-submenu >.m-menu-item .m-menu-item{
    background: #4470ab;
    position: relative;
    left: 175px;
    top: -50px;
}
.m-submenu >.m-menu-item .m-menu-item .m-title{
    font-size: 12px;
}
.m-submenu >.m-menu-item .m-menu-item:hover{
    background: #3e6eaa;
}
.m-slide {
    width: 100%;
    height: 300px;
    background-color: tomato;
}
.m-news-notice{
    width: 100%;
    height: 288px;
    display: flex;
    flex-direction: row;
}
.m-news-notice .m-news{
    width: 780px;
    background-color: fuchsia;
}
.m-news-notice .m-notice{
   margin-right: 0px;
   background-color: turquoise;
   flex: 1;
}
.m-banner {
    width: 100%;
    height: 126px;
    background-color: wheat;
}
.m-job-offer{
    width: 100%;
    height: 271px;
    display: flex;
}
.m-job-offer .m-job {
    flex: 1;
    border: 1px solid #cccccc;
}
.m-job-offer .m-offer{
    flex: 1;
    border: 1px solid #cccccc;
    margin-left: 20px;
}
.m-benke-dangjian {
    width: 100%;
    height: 271px;
    display: flex;
    margin-top: 32px;
}
.m-benke-dangjian .m-benke {
    flex: 1;
    border: 1px solid #cccccc;
}
.m-benke-dangjian .m-dangjian {
    flex: 1;
    border: 1px solid #cccccc;
    margin-left: 20px;
}
.m-friend-link{
    width: 100%;
    height: 148px;
    margin-top: 30px;
    background-color: fuchsia;
}
.m-footer{
    width: 100%;
    height: 44px;
    background-color: #3778bc;
    color:#ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
}